Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Pole changing Combination of cascade and pole changing Cascade control Rheostat control Pole changing Combination of cascade and pole changing Cascade control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _______ was the first city in India to adopt electric traction. Bombay (Mumbai) Delhi Calcutta (kolkata) Madras (Chennai) Bombay (Mumbai) Delhi Calcutta (kolkata) Madras (Chennai) ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following braking systems is used on steam locomotives? Hydraulic system Vacuum system Pneumatic system None of the listed here Hydraulic system Vacuum system Pneumatic system None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following drives is suitable for mines where explosive gas exists? Battery locomotive Diesel engine All of the listed here Steam engine Battery locomotive Diesel engine All of the listed here Steam engine ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Overload capacity of diesel engines is usually restricted to 4 percent 6 percent 8 percent 2 percent 4 percent 6 percent 8 percent 2 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The horsepower of steam locomotives is 1500 to 2000 2500 to 3000 500 to 1000 Up to 1500 1500 to 2000 2500 to 3000 500 to 1000 Up to 1500 ANSWER DOWNLOAD EXAMIANS APP
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